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Two closely -coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is double that of spring 'B'. The stiffness of spring 'A' will be ....... that of spring 'B'.
  • a)
    one-half
  • b)
    one- eighth
  • c)
    one-fourth
  • d)
    one-sixteenth 
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Two closely -coiled helical springs 'A' and 'B' are eq...
Explanation:
The stiffness of a spring is directly proportional to the number of turns of the spring. Therefore, if the number of turns of spring A is double that of spring B, then the stiffness of spring A will be twice that of spring B.

Since the two springs are equal in all other respects, such as the material, wire diameter, and mean coil diameter, the only factor affecting their stiffness is the number of turns.

Therefore, the stiffness of spring A will be one-half that of spring B.

Hence, the correct option is A.
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Two closely -coiled helical springs 'A' and 'B' are eq...
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Two closely -coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is double that of spring 'B'. The stiffness of spring 'A' will be ....... that of spring 'B'.a)one-halfb)one- eighthc)one-fourthd)one-sixteenthCorrect answer is option 'A'. Can you explain this answer?
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